In the two shot molding, the second component is commonly soft and elastic.
Therefore, it is also called soft component.
Due to its flexibility, the influence of the soft component on the warpage of the part is very low.
Seals are frequently made as soft component by the two shot molding.
Moreover, TPE is typically used for soft components.

Soft Component in Plastic Industry

Injection Molding: The blue, soft component of the toothbrush is made of TPE.

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This glossary of plastic industry is provided by PLEXPERT Canada Inc.
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